While the full Standard Edition ISO is gone, some minor related components are still hosted by Microsoft: cant find download link for SQL server 2005 (64 bit)
The fluorescent lights of the server room hummed in B-flat, a frequency that Arthur had long ago decided was the soundtrack to his slowly fraying sanity. It was 2:00 AM on a Sunday, and the air conditioning was blasting a freezing mist that settled on his skin, raising gooseflesh. download sql server 2005 standard edition 64-bit iso
"Think, Arthur. Think." He paced the small length of the raised floor. He needed that specific 64-bit architecture. He couldn't use the 32-bit version; the server had 32GB of RAM and a financial database that ate memory for breakfast. If he couldn't leverage the 64-bit address space, the migration would crash before it even started. While the full Standard Edition ISO is gone,
"Just get it done, Arthur," Gerald’s voice crackled back. "And patch Service Pack 4 before you even think about connecting it to the network." If he couldn't leverage the 64-bit address space,
SQL Server 2005 Standard Edition: How to Find the 64-bit ISO Today Looking for an official SQL Server 2005 Standard Edition 64-bit ISO